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公开(公告)号：KR101446590B1
公开(公告)日：2014-10-06
申请号：KR1020130075154
申请日：2013-06-28
Applicant: 대원강업주식회사
IPC: G01N3/08
CPC classification number: G01N3/08 , B25B11/02 , G01N3/02 , G01N2203/0288
Abstract: The present invention relates to a jig for measuring lateral stiffness of a spring. The purpose of the present invention is to provide a jig for measuring lateral stiffness of a spring, which leads a spring to be naturally deformed in accordance to a load applied to the spring while gripping both ends of the spring to accurately perform a test for measuring lateral stiffness of the spring. Provided is a jig for measuring lateral stiffness of a spring, which includes a frame having two rails spaced apart from each other to have a parallel structure; two moving blocks coupled to the two rails, respectively, to move along the rails; and a clamp installed at each of the moving blocks to grip an end of a spring to be measured, formed by two clamping members, each having a flange portion at both ends of an arc-shaped fixing portion having a rotary shaft for coupling to the moving blocks, respectively installed at the moving blocks to face each other, wherein the flange portions formed at the two clamping members are bound by bolts to grip the end of the spring and a semi-circular groove is formed along the circumference of the fixing portion at an inner peripheral surface of the fixing portion to stably grip the spring. The moving blocks are coupled to the rails to be freely moved along the rails by external force. The clamp is coupled with the moving blocks via the rotary shaft to be moved in directions abutting against each other in response to the deformation of the spring when the load is applied to a central portion of the spring for measuring the lateral stiffness of the gripped spring, and the clamp rotates with respect to the rotary shaft.
Abstract translation: 本发明涉及一种用于测量弹簧横向刚度的夹具。 本发明的目的是提供一种用于测量弹簧的横向刚度的夹具，其根据施加到弹簧的负载引导弹簧自然变形，同时夹持弹簧的两端以精确地进行测量测试 弹簧的横向刚度。 提供一种用于测量弹簧的横向刚度的夹具，其包括具有彼此间隔开的具有平行结构的两个导轨的框架; 分别联接到两个轨道的两个移动块沿着轨道移动; 以及安装在每个移动块处的夹具，以夹持由两个夹紧构件形成的待测量弹簧的端部，每个夹紧构件在弧形固定部分的两端具有凸缘部分，该弧形固定部分具有用于联接到 分别安装在移动块上的移动块相互面对，其中形成在两个夹紧构件处的凸缘部分被螺栓结合以夹持弹簧的端部，并且沿着固定部分的圆周形成半圆形槽 在固定部分的内周表面处，以稳定地夹紧弹簧。 移动块联接到轨道，以通过外力沿轨道自由移动。 当将负载施加到弹簧的中心部分时，夹具通过旋转轴与移动块联接以响应于弹簧的变形而相互抵靠的方向移动，以测量夹紧弹簧的横向刚度 并且夹具相对于旋转轴旋转。
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公开(公告)号：KR1020110042748A
公开(公告)日：2011-04-27
申请号：KR1020090099560
申请日：2009-10-20
Applicant: 대원강업주식회사
CPC classification number: F01L1/462 , F01L3/20 , F01L2103/00 , Y02T10/18
Abstract: PURPOSE: A valve spring having an oval cross-section and a cross-section production method for the same are provided to reduce the cross-section of a valve spring while keeping the maximum stress value. CONSTITUTION: A valve spring has an oval cross-section in which the left width(WL) is 1.6234mm, the right width(WR) is 1.7066mm, and the height(T) is 1.44mm. The oval cross-section is formed by symmetrically transferring spline curves in first and second quadrants around an x-axis when α1 and β1, which are tangential vectors at the start and end points of the spline curve in the first quadrant, are respectively 1.6 and 1.8 and α2 and β2, which are tangential vectors at the start and end points of the spline curve in the second quadrant, are respectively 2 and 1.2.
Abstract translation: 目的：提供具有椭圆截面的阀弹簧及其横截面制造方法，以在保持最大应力值的同时减小阀弹簧的横截面。 构成：阀门弹簧具有椭圆形横截面，其中左宽度（WL）为1.6234mm，右宽度（WR）为1.7066mm，高度（T）为1.44mm。 当在第一象限中的样条曲线的起点和终点处的切向矢量分别为α1和β1时，椭圆形横截面是通过在第一和第二象限围绕x轴对称传递样条曲线而形成的，分别为1.6和 1.8和α2和β2分别为第二象限中样条曲线起点和终点处的切向矢量，分别为2和1.2。
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Patent Agency Ranking
公开(公告)号：KR101393409B1
公开(公告)日：2014-05-12
申请号：KR1020130058113
申请日：2013-05-23
Applicant: 대원강업주식회사
Abstract: The present invention relates to a squareness measuring device. The present invention is to provide a squareness measuring device for easily measuring the squareness of the outer surface of a spring based on the left surface of the spring. The squareness measuring device comprises: a surface plate; a fixed block installed in the surface plate and having a reference surface with a structure crossing at a right angle to the surface of the surface plate; a movable block installed in the fixed block to be vertically moved in a state of being coupled to the fixed block; and a measuring part. The measuring part is formed of a structure horizontally protruding from the front surface of the movable block to make a part of the outer surface come in contact with the reference surface of the fixed block and to come in contact with the outer surface of the spring erected on the surface plate, but the contact surface coming in contact with the outer surface of the spring is inclined at a predetermined angle to the reference surface. Also, the measuring part has a scale for indicating a distance how much each part of the contact surface protrudes from the reference surface.
Abstract translation: 本发明涉及一种矩形度测量装置。 本发明提供一种用于容易地测量基于弹簧的左表面的弹簧的外表面的矩形度的矩形度测量装置。 矩形度测量装置包括：一个表面板; 固定块，其安装在所述表面板中并且具有与所述表面板的表面成直角相交的结构的基准表面; 安装在所述固定块中的可移动块，以在连接到所述固定块的状态下垂直移动; 和测量部件。 测量部分由从可移动块的前表面水平突出的结构形成，使得外表面的一部分与固定块的基准表面接触并与竖立的弹簧的外表面接触 但是与弹簧的外表面接触的接触表面相对于参考表面倾斜预定的角度。 此外，测量部件具有用于指示接触表面的每个部分从参考表面突出多少的距离的标尺。
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公开(公告)号：KR1020120133479A
公开(公告)日：2012-12-11
申请号：KR1020110052127
申请日：2011-05-31
Applicant: 대원강업주식회사
Abstract: PURPOSE: An engine valve spring manufacturing method using a heat treatment method is provided to effectively eliminate residual tensile stress of an engine valve spring by performing heat treatment after coiling of a wire. CONSTITUTION: An engine valve spring manufacturing method using a heat treatment method comprises the steps of: coiling a wire(S110), heating the spring over the A3 transformation point, dipping the spring in a salt bath, and air-cooling the spring for martensite transformation(S120), heating the spring to 200-500°C and air-cooling the spring(S130), and performing post treatment(S140). The post treatment step comprises left side grinding(S140-1), shot-peening for surface treatment(S140-2), tempering(S140-3), and hot setting(S140-4). [Reference numerals] (S110) Coiling; (S120) Marquenching; (S130) Tempering; (S140-1) Left-side grinding; (S140-2) Shot-peening; (S140-3) Tempering; (S140-4) Hot setting
Abstract translation: 目的：提供一种使用热处理方法的发动机气门弹簧制造方法，通过在卷绕线材之后进行热处理，有效地消除发动机气门弹簧的残余拉伸应力。 构成：使用热处理方法的发动机气门弹簧制造方法包括以下步骤：卷绕线（S110），在A3相变点上加热弹簧，将弹簧浸入盐浴中，并将弹簧空气冷却用于马氏体 （S120），将弹簧加热到200-500℃，对弹簧进行冷却（S130），进行后处理（S140）。 后处理步骤包括左侧研磨（S140-1），用于表面处理的喷丸硬化（S140-2），回火（S140-3）和热定型（S140-4）。 （参考号）（S110）卷绕; （S120）Marquenching; （S130）回火; （S140-1）左侧研磨; （S140-2）喷丸硬化; （S140-3）回火; （S140-4）热设定
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公开(公告)号：KR101087917B1
公开(公告)日：2011-11-30
申请号：KR1020090099560
申请日：2009-10-20
Applicant: 대원강업주식회사
Abstract: 본 발명은 종래의 난형 단면을 가지는 밸브 스프링에 비하여 밸브 스프링의 단면적은 감소시킴과 동시에 단면적이 감소됨에 따라 발생되는 응력 증가 현상은 최소화할 수 있는 난형 단면 밸브 스프링 및 이의 단면 생성방법에 관한 것이다.
상기와 같은 본 발명은, 종래의 일반적인 난형 단면 밸브 스프링에 비해 단면의 면적은 감소시키면서, 최대 응력값은 대동소이하게 유지할 수 있는 밸브 스프링을 생산할 수 있도록 하여 밸브 스프링의 중량 저감 효과와 이를 장착하는 자동차의 연비 향상을 도모할 수 있으며, 밸브 스프링의 재료비용을 절감할 수 있다는 효과가 있다.
밸브 스프링, 난형 단면, 스플라인 곡선, 최대 응력,-
公开(公告)号：KR101446589B1
公开(公告)日：2014-10-07
申请号：KR1020130127248
申请日：2013-10-24
Applicant: 대원강업주식회사
IPC: G01B5/20
Abstract: The present invention relates to a curved spring gauge including a gauge body integrally formed with a spring insertion groove and a holding groove, and a base plate on which the gauge body is detachably installed. The gauge body is formed to be separated into upper and lower gauge bodies, wherein the upper gauge body is integrally fixated to the base plate, and the lower gauge body installed to be moved up and down along a pair of fixating bolts engaged to the base plate through a pair of rectangular bolt penetrating holes formed at a given distance in a vertical distance to vary the inner diameter of the spring insertion groove. Both contact portions of the upper and lower gauge bodies are formed with a reference inner diameter setting groove to insert the spring end to set the inner diameter of a center portion of the spring insertion groove into which two ends of the curved springs to be judged are inserted. It is possible to remarkably improve the reliability when the suitability of the curved spring is judged by usage of the curved spring gauge having a given shape. When the curved spring judged to have the suitability by the curved spring gauge is applied to a vehicle; a wanted damping function is correctly performed to prevent noise pollution, increase the ride comfort, and improve the marketability of the product.
Abstract translation: 本发明涉及一种弯曲弹簧计，其包括一体地形成有弹簧插入槽和保持槽的量规体，以及基板，其上可拆卸地安装有量规体。 测量体形成为分隔成上下表面体，其中上测量体一体地固定在基板上，下测量体安装成沿着一对与基座接合的固定螺栓上下移动 通过在垂直距离处以给定距离形成的一对矩形螺栓穿透孔来改变弹簧插入槽的内径。 上下表面的两个接触部分形成有参考内径设定槽，以插入弹簧端，以设定弹簧插入槽的中心部分的内径，待判断的弯曲弹簧的两端为 插入。 当通过使用具有给定形状的弯曲弹簧规来判断弯曲弹簧的适用性时，可以显着提高可靠性。 当弯曲弹簧被判定为具有适合弯曲弹簧规的弯曲弹簧应用于车辆时; 正确执行需要的阻尼功能，以防止噪音污染，提高乘坐舒适性，提高产品的市场适应性。
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公开(公告)号：KR101295118B1
公开(公告)日：2013-08-09
申请号：KR1020110052127
申请日：2011-05-31
Applicant: 대원강업주식회사
Abstract: 본 발명은 열처리 공법을 이용한 엔진 밸브 스프링의 제작방법에 관한 것으로, 그 목적은 엔진 밸브 스프링을 제작함에 있어서, 선재를 코일링한 후 열처리 공정을 수행하도록 함으로서, 엔진 밸브 스프링의 인장 잔류응력을 효과적으로 제거할 수 있으며, 이로 인해 엔진 밸브 스프링의 피로 수명을 향상시킬 수 있는 열처리 공법을 이용한 엔진 밸브 스프링의 제작방법을 제공함에 있다. 이를 위한 본 발명의 엔진 밸브 스프링의 제작방법은 선재를 코일링하는 단계(S110); 상기 S110 단계를 통해 제작된 스프링을 A3 변태점 이상으로 가열한 후, 염욕에 침적시킨 다음 조직의 마르텐사이트 변태를 위하여 공랭하는 단계(S120); 상기 S120 단계 후, 스프링을 200~500℃의 온도로 가열한 다음 공랭하는 단계(S130); 및 상기 S130 단계 후, 좌면 연마(S140-1)와, 스프링의 표면처리를 위한 쇼트피닝(S140-2) 및 연마와 쇼트피닝으로 인하여 발생되는 잔류응력의 해소를 위한 탬퍼링(S140-3) 그리고 핫세칭(S140-4)을 포함하는 후처리 단계(S140)로 이루어지며, 상기 선재는 Si-Cr가 포함된 강선으로 구성되고, 상기 S120 단계는 스프링을 700~1000℃의 온도로 가열한 후, 염욕에 30~60분 동안 침적시키고 공랭하는 것으로 이루어져 있다.
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